diff --git a/pkgs/development/python-modules/dicttoxml2/default.nix b/pkgs/development/python-modules/dicttoxml2/default.nix
new file mode 100644
index 000000000000..5f407d61b67b
--- /dev/null
+++ b/pkgs/development/python-modules/dicttoxml2/default.nix
@@ -0,0 +1,32 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  pname = "dicttoxml2";
+  version = "2.0.0";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.7";
+
+  src = fetchPypi {
+    inherit pname version;
+    hash = "sha256-8/Zbv8WxDP5Bn4hgd7hTstmYv7amTlTxhQoKvzYrG/I=";
+  };
+
+  # Module has no tests
+  doCheck = false;
+
+  pythonImportsCheck = [
+    "dicttoxml2"
+  ];
+
+  meta = with lib;{
+    description = "Converts a Python dictionary or other native data type into a valid XML string";
+    homepage = "https://pypi.org/project/dicttoxml2/";
+    license = licenses.gpl2Only;
+    maintainers = with maintainers; [ fab ];
+  };
+}
diff --git a/pkgs/development/python-modules/pyialarm/default.nix b/pkgs/development/python-modules/pyialarm/default.nix
index 501f1497a3a7..db4bf7eb3c5e 100644
--- a/pkgs/development/python-modules/pyialarm/default.nix
+++ b/pkgs/development/python-modules/pyialarm/default.nix
@@ -1,6 +1,6 @@
 { lib
 , buildPythonPackage
-, dicttoxml
+, dicttoxml2
 , fetchFromGitHub
 , pythonOlder
 , xmltodict
@@ -8,25 +8,27 @@
 
 buildPythonPackage rec {
   pname = "pyialarm";
-  version = "2.0.0";
+  version = "2.2.0";
   disabled = pythonOlder "3.7";
 
   src = fetchFromGitHub {
     owner = "RyuzakiKK";
     repo = pname;
     rev = "v${version}";
-    sha256 = "sha256-rJS6KgEy4iuiY6QRue6K6woyGefuTN7/4RLCu8cb8M4=";
+    hash = "sha256-rOdeYewjoFVbHdNPHN6ZC2g6X5yr84/JFE6tGSDIoRU=";
   };
 
   propagatedBuildInputs = [
-    dicttoxml
+    dicttoxml2
     xmltodict
   ];
 
   # Project has no tests
   doCheck = false;
 
-  pythonImportsCheck = [ "pyialarm" ];
+  pythonImportsCheck = [
+    "pyialarm"
+  ];
 
   meta = with lib; {
     description = "Python library to interface with Antifurto365 iAlarm systems";
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 34cced4ec221..6d16359d29f1 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -2280,6 +2280,8 @@ in {
 
   dicttoxml = callPackage ../development/python-modules/dicttoxml { };
 
+  dicttoxml2 = callPackage ../development/python-modules/dicttoxml2 { };
+
   diff-cover = callPackage ../development/python-modules/diff-cover { };
 
   diff-match-patch = callPackage ../development/python-modules/diff-match-patch { };